n. 粗壮凤仙花

We humans are known to help out members of our own families. When it comes to business we call it nepotism. Now plants have demonstrated the same predilection, in a study published in the American Journal of Botany. Previous research showed that plan

发表于:2018-12-24 / 阅读(173) / 评论(0) 分类 Scientific American(十一)月

AS IT IS 2014-09-20 Scientists Discover Secrets of Coffee 科学家发现咖啡的秘密 An international team of researchers has created a sequence, or map, of the genes of the coffee plant known as Robusta. About one-third of the coffee drunk world

发表于:2019-01-12 / 阅读(134) / 评论(0) 分类 2014年VOA慢速英语(九)月

Plants Share Light If Neighbor Is Related A study in the American Journal of Botany finds that plants can tell if they're next to a relative and will grow to allow the kin more access to light. Cynthia Graber reports. We humans are known to help out

发表于:2019-01-30 / 阅读(185) / 评论(0) 分类 60秒科学

By Steve Herman New Delhi 20 December 2007 Espresso drinkers are losing what critics praise as one of the world's best certified organic robusta coffees. The government of Kerala state has refused to extend the lease on the land where the rare beans

发表于:2019-01-31 / 阅读(161) / 评论(0) 分类 VOA常速英语2007年(十二月)
学英语单词
accessor function
acoustic design
air ambulances
AL5
aspheterism
be getting hot at
bergamasca (italy)
beta-erythroidine
biochemical function of cells
black-leg
buckoes
business income taxes
cable muff
calm before the storm
Charpy's alloy
Chiliba
cobalt nickel pyrite
complement on one
complex-wave generator
container insurance
counterpoise bridge
cover-picture
cultivation lighting
custrels
cyclic yawing
Deinanthe caerulea
demonicraty
dielectric layer
DPBS
drogueries
e.on
ejector port
electronic-tuning hysteresis
elimination major element method
emergency radiobeacon
EPP IEEE standard
fault location in fiber link
form-line contour plot
goal of native mode
goste
graded nets
ground water engineering
hardees
hydraulic shovel
Hève, C.de la
ICAI
indivisibly
inserted piece
internal force
kick sb downstairs
kjedahl flask
liturgist
meperidine
Millungera
moyenau
muelleriuss
multiresource
neutron power level
non-interlaced scanning
notekeeping
obstruction of police
obtrectator
operating holding company
orsure
pass-band filter
past month
Peak District
peaw
phosphatic sediment
phylae
Pikermi
positive-pressure cabin
postal money transfer
pressure-enthalpy chart
rare - earth metal
ring off the telephone
rodenbeck
rose diamond
run-on time
sales promotion network
sarkesian
scaling factor switch
search record
senecioic acid
slow reacting cell
sprangly
stable period
stand sb. in good stead
standard test condition
status date
stress-space
sum rule
supply routes
take a telling
tape reproducer
target of observations
terrordomes
Tillicoultry
ungraph
watershed-scale
wire clip
Zanclean Age